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authorVladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>2019-10-01 16:14:05 +0300
committerMax Reitz <mreitz@redhat.com>2019-10-10 10:56:18 +0200
commita6ffe1998cfe1fd3cd83de0a7d1dd16eb514f987 (patch)
tree2340299ddbb9c799fa5a9d9f0d63bd89551182a2 /include
parentf2d86ade4da71d1f32ffc5977ea5417c20996919 (diff)
downloadqemu-a6ffe1998cfe1fd3cd83de0a7d1dd16eb514f987.zip
block/backup: move in-flight requests handling from backup to block-copy
Move synchronization mechanism to block-copy, to be able to use one block-copy instance from backup job and backup-top filter in parallel. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-id: 20191001131409.14202-2-vsementsov@virtuozzo.com Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'include')
-rw-r--r--include/block/block-copy.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/block/block-copy.h b/include/block/block-copy.h
index 54f90d0c9a..962f91056a 100644
--- a/include/block/block-copy.h
+++ b/include/block/block-copy.h
@@ -17,6 +17,13 @@
#include "block/block.h"
+typedef struct BlockCopyInFlightReq {
+ int64_t start_byte;
+ int64_t end_byte;
+ QLIST_ENTRY(BlockCopyInFlightReq) list;
+ CoQueue wait_queue; /* coroutines blocked on this request */
+} BlockCopyInFlightReq;
+
typedef void (*ProgressBytesCallbackFunc)(int64_t bytes, void *opaque);
typedef void (*ProgressResetCallbackFunc)(void *opaque);
typedef struct BlockCopyState {
@@ -27,6 +34,7 @@ typedef struct BlockCopyState {
bool use_copy_range;
int64_t copy_range_size;
uint64_t len;
+ QLIST_HEAD(, BlockCopyInFlightReq) inflight_reqs;
BdrvRequestFlags write_flags;